問題 396117: 白 が 防御とするために

Kritisara Adhikari (1445) - Anat Al Aisaee
Online Olym Div4 A 2021 chess.com INT, 2021.08.21
  1. 1.d4
  2. d5
  3. 2.Bf4
  4. Nf6
  5. 3.e3
  6. e6
  7. 4.Nf3
  8. c5
  9. 5.c3
  10. Nc6
  11. 6.Nbd2
  12. Bd6
  13. 7.Bg3
  14. b6
  15. 8.Bd3
  16. h6
  17. 9.Qe2
  18. a5
  19. 10.Bb5
  20. Bb7
  21. 11.Ne5
  22. Bxe5
  23. 12.dxe5
  24. Nd7
  25. 13.Nf3
  26. O-O
  27. 14.O-O
  28. Qb8
  29. 15.Bxc6
  30. Bxc6
  31. 16.Qd2
  32. Qb7
  33. 17.Ne1
  34. Rad8
  35. 18.f4
  36. f6
  37. 19.exf6
  38. Nxf6
  39. 20.Qd3
  40. Ne4
  41. 21.Bh4
  42. Rd7
  43. 22.Nf3
  44. c4
  45. 23.Qd4
  46. Rc7
  47. 24.Ne5
  48. Be8
  49. 25.Qd1
  50. Nf6
  51. 26.Qf3
  52. b5
  53. 27.Qg3
  54. Ne4
  55. 28.Qg4
  56. Qc8
  57. 29.Rad1
  58. b4
  59. 30.cxb4
  60. axb4
  61. 31.Be1
  62. c3
  63. 32.bxc3
  64. bxc3
  65. 33.Rc1
  66. c2
  67. 34.Bb4
  68. Rf6
  69. 35.Qe2
  70. Qb7
  71. 36.Qe1
  72. Bb5
  73. 37.Rf3
  74. Ba4
  75. 38.a3
  76. Qa7
  77. 39.Rh3
  78. Bb3
  79. 40.Qh4
  80. Qb8
  81. 41.Ng4
  82. Rg6
  83. 42.Ne5
  84. Rf6
  85. 43.Bd6
  86. Qb7
  87. 44.Bxc7
  88. Qxc7
  89. 45.Qe1
  90. Qb7
  91. 46.Qb4
  92. Qxb4
  93. 47.axb4
  94. Kh7
  95. 48.Nf3
  96. Nc3
    1. 解決策:48...Nc3
      1. 脅威を与える:
      2. 49...Ne2+
      3. 50.Kf2
      4. Nxc1
    2. 49.Nd4
    3. さて、もしNe2+
    4. 50.Nxe2
  97. 49.Nd4
  98. Ne2+
  99. 50.Kf1
  100. Nxc1
  101. 51.b5
  102. Bc4+
  103. 52.Kf2
  104. Nd3+
  105. 53.Kf3
  106. c1=Q
  107. 54.Ne2
  108. Qf1+
  109. 55.Kg3
  110. Qxe2
  111. 56.Kh4
  112. Qf2+
  113. 57.Rg3
  114. Rg6
  115. 58.b6
  116. Ba6
  117. 59.f5
  118. Rxg3
  119. 60.hxg3
  120. Qxe3
  121. 61.fxe6
  122. Qg5+
  123. 62.Kh3
  124. Nf2+
  125. 63.Kh2
  126. Ng4+
  127. 64.Kg1
  128. Qc1#
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